refactor: move ifind pool helpers to feature service

backend/application.py

@@ -472,38 +472,6 @@ class DashboardService(
             **self.database.status(),
         }
 
-
-
-
-
-
-    @staticmethod
-    def _ifind_field(row: dict[str, Any], tokens: tuple[str, ...]) -> Any:
-        for key, value in row.items():
-            label = str(key or "")
-            if any(token.casefold() == label.casefold() for token in tokens):
-                return value
-        for key, value in row.items():
-            label = str(key or "")
-            if any(token in label for token in tokens):
-                return value
-        return None
-
-    @classmethod
-    def _ifind_row_code(cls, row: dict[str, Any]) -> str:
-        value = cls._ifind_field(row, ("股票代码", "证券代码", "代码", "thscode"))
-        match = re.search(r"(?<!\d)(\d{6})(?!\d)", str(value or ""))
-        if match:
-            return match.group(1)
-        for value in row.values():
-            match = re.search(r"(?<!\d)(\d{6})\.(?:SH|SZ|BJ)(?![A-Z])", str(value or ""), re.I)
-            if match:
-                return match.group(1)
-        return ""
-
-
-
-
 SERVICE = DashboardService()
 
 

backend/features/pools/service.py

@@ -117,6 +117,30 @@ class PoolServiceMixin:
         finally:
             self._ifind_event_lock.release()
 
+    @staticmethod
+    def _ifind_field(row: dict[str, Any], tokens: tuple[str, ...]) -> Any:
+        for key, value in row.items():
+            label = str(key or "")
+            if any(token.casefold() == label.casefold() for token in tokens):
+                return value
+        for key, value in row.items():
+            label = str(key or "")
+            if any(token in label for token in tokens):
+                return value
+        return None
+
+    @classmethod
+    def _ifind_row_code(cls, row: dict[str, Any]) -> str:
+        value = cls._ifind_field(row, ("股票代码", "证券代码", "代码", "thscode"))
+        match = re.search(r"(?<!\d)(\d{6})(?!\d)", str(value or ""))
+        if match:
+            return match.group(1)
+        for value in row.values():
+            match = re.search(r"(?<!\d)(\d{6})\.(?:SH|SZ|BJ)(?![A-Z])", str(value or ""), re.I)
+            if match:
+                return match.group(1)
+        return ""
+
     @staticmethod
     def _normalize_ifind_event_time(value: Any) -> str:
         text = str(value or "").strip()

config/architecture-inventory.json

@@ -374,8 +374,8 @@
     },
     {
       "path": "backend/application.py",
-      "bytes": 48513,
-      "lines": 1119
+      "bytes": 47552,
+      "lines": 1087
     },
     {
       "path": "frontend/styles/theme.css",

tests/test_preservation_slice_sentiment_pools.py

@@ -29,6 +29,8 @@ POOL_METHODS = {
     "_apply_reason_overrides",
     "_schedule_ifind_event_enrichment",
     "_refresh_ifind_event_enrichment",
+    "_ifind_field",
+    "_ifind_row_code",
     "_normalize_ifind_event_time",
     "_merge_ifind_event_enrichment",
 }